<!--
 * Tencent is pleased to support the open source community by making BK-JOB蓝鲸智云作业平台 available.
 *
 * Copyright (C) 2021 THL A29 Limited, a Tencent company.  All rights reserved.
 *
 * BK-JOB蓝鲸智云作业平台 is licensed under the MIT License.
 *
 * License for BK-JOB蓝鲸智云作业平台:
 *
 *
 * Terms of the MIT License:
 * ---------------------------------------------------
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 * documentation files (the "Software"), to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and
 * to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of
 * the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
 * THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
-->

<template>
  <div class="server-pagination">
    <div class="pagination-total">
      {{ $t('共计') }} {{ total }} {{ $t('条.total') }}
    </div>
    <div class="pagination-change">
      <div
        class="page-last"
        @click="handlePageChange(-1)">
        <icon type="down-small" />
      </div>
      <input
        class="page-current"
        :value="current"
        @blur="handleInputSubmit"
        @change="handleInputSubmit">
      <div class="page-line">
        /
      </div>
      <div class="page-count">
        {{ totalPage }}
      </div>
      <div
        class="page-next"
        @click="handlePageChange(1)">
        <icon type="down-small" />
      </div>
    </div>
  </div>
</template>
<script>
  export default {
    name: '',
    props: {
      pageSize: {
        type: Number,
        default: 10,
      },
      total: Number,
      page: {
        type: Number,
        default: 0,
      },
    },
    data() {
      return {
        current: 1,
      };
    },
    computed: {
      totalPage() {
        return Math.ceil(this.total / this.pageSize);
      },
    },
    watch: {
      page: {
        handler(newPage) {
          this.current = newPage;
        },
        immediate: true,
      },
    },
    methods: {
      handleInput(event) {
        const $target = event.target;
        let value = parseInt($target.value, 10);
        if (!value) {
          value = 1;
        }
        if (value < 1) {
          value = 1;
        }
        if (value > this.totalPage) {
          value = this.totalPage;
        }
        this.current = value;
        this.$nextTick(() => {
          $target.value = value;
        });
      },
      handleInputSubmit(event) {
        const $target = event.target;
        let value = parseInt($target.value, 10);
        if (!value) {
          value = 1;
        }
        if (value < 1) {
          value = 1;
        }
        if (value > this.totalPage) {
          value = this.totalPage;
        }
        this.current = value;
        this.$nextTick(() => {
          $target.value = value;
        });
        if (this.current === this.page) {
          return;
        }
        this.$emit('on-change', this.current);
      },
      handlePageChange(step) {
        const newPage = this.page + step;
        if (newPage < 1) {
          return;
        }
        if (newPage > this.totalPage) {
          return;
        }
        this.$emit('on-change', newPage);
      },
    },
  };
</script>
<style lang='postcss'>
  .server-pagination {
    display: flex;
    align-items: center;
    height: 64px;
    font-size: 12px;
    color: #63656e;

    .pagination-change {
      display: flex;
      align-items: center;
      margin-left: auto;
      user-select: none;

      .page-current,
      .page-count {
        height: 32px;
        padding: 0 14px;
        line-height: 32px;
      }

      .page-current {
        width: 50px;
        text-align: center;
        border: 1px solid #c4c6cc;
        border-radius: 2px;
        outline-color: #3a84ff;
      }

      .page-line {
        padding-left: 14px;
      }

      .page-last,
      .page-next {
        font-size: 24px;
        color: #c4c6cc;
        cursor: pointer;
      }

      .page-last {
        transform: rotateZ(90deg);
      }

      .page-next {
        transform: rotateZ(-90deg);
      }
    }
  }
</style>
